Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c07c3a97f2304aefe766d6a99ad3a22107e12ac076063ded244d1e1f8ced263d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^